ADV7441A VGA input 640*480 resolution

I config 640*480 resolution VGA input  to get RGB888  TTL output , regisiter list as blow,in black pattern ,R/G/B channel 0  is  a hsync  waveform.

could you give me a answer ,Tks!

42 03 14 00
42 05 02 00
42 06 08 00
42 1D 40 00//Vertical Scale Value 1
42 6a 40 00
//42 3a 01 00//Powerdown ADC3
42 3c 59 00//5C
42 67 01 00//01 Force RGB (Range 0-255) input
42 68 f2 00//RGB Output/CSC configuration in automaticmode
42 69 00 00
42 6B ee 00
42 7b 0c 00//AV Code
42 7c 00 00//polarity+
42 85 03 00
42 86 0b 00
42 87 63 00
42 88 5a 00//PLL_DIV_RATIO
42 8a 10 00
42 c9 04 00
42 f4 3f 00
42 b5 01 ff

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